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Evidence of fouling growing on the underside of a large ship.

Evidence of fouling growing on the underside of a large ship.
Evidence of fouling growing on the underside of a large ship.
Evidence of fouling growing on the underside of a large ship.
Evidence of fouling growing on the underside of a large ship.
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Evidence of fouling growing on the underside of a large ship.
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09/11/2025
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Caption from Oceanus magazine, Vol. 60, No. 1, Pg. 32:
ANTIFOULING PAINTS
When marine organisms build up on ships’ hulls and anchors, a process known as “fouling,” ship speeds decrease, fuel consumption goes up, and ships have to undergo time consuming scraping in ship yards. During World War II, WHOI chemists and biologists developed a range of antifouling paints that increased the overall efficiency of naval ships by 10%. Antifouling paints today are credited with helping decrease the spread of invasive species, cutting down on harmful emissions and dampening underwater noise.
Photo courtesy of Woods Hole Oceanographic Institution Archives
© Woods Hole Oceanographic Institution
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